Stove.



No. 887,251. I PATENTED MAY 12, 1908.

. W. H. HBFNER.

STOVE.

APPLICATION FILED FEB. 1, 1905.

most plainly in Fig. 2.

WILLIAM HORACE HEFNER, OF RICHMOND, VIRGINIA.

STOVE.

Specification of Letters Patent.

,Patented May 12, 1908.

Application filed February 1, 1905. Serial No. 243,723.

T 0 all whom it may concern:

Be it known that LWILLIAM HORACE HEF- NER, a citizen of the UnitedStates, residing at Richmond, in the county of Henrico and State ofVirginia, have invented certain new and useful Improvements in Stoves,of which the following is a specification.

My said invention consists in certain improvements and the constructionof stoves of that class commonly known as airtight stoves, whereby amore perfect combustion of the fuel is attained and a much greaterheating capacity is secured from any given quantity of fuel than withthe ordinary form, all as will be hereinafter more fully described andclaimed.

Referring to the accompanying drawings which are made a part hereof andon which similar reference characters indicate similar parts, Figure 1,is a longitudinal vertical section through a stove of my improvedconstruction, on the dotted line 11 in Fig. 2, Fig. 2, a horizontalsection as seen when looking in the direction indicated by the arrowsfrom the dotted line 2-2 in Fig. 1, Fig. 3, a front elevation of saidstove, and Fig. 4, a plan view of a modified form of grate.

In said drawings the portion marked A represents the main body of thestove and B the grate of the fire-box.

The body A is composed of sheet iron or cast iron as preferred'and ispreferably 0 long in cross-section as shown in Fig. 2. It is mountedupon suitable feet a as shown. Near the front end of the stove it isprovided with an aperture in its top with a cover A through which thefuel may be deposited in the fire-box, and at its rear with a flueoutlet a. The body of said stove is divided transversely by two curvedpartitions 1 and 2. Partition 1 extends from the bottom of the stovenearly to its top and forms the rear end of the fire-box, said partitionextending from one side of the stove to the other, as shown Partition 2extends from the top of said stove nearly to its bottom being alsocurved in cross-section and mounted a short distance in the rear ofpartition 1. Partition 1 is mounted with its convex side toward the backof said stove and partition 2 with its convex side toward the front, sothat the greatest possible length of the fire-box is secured and acompartment of sufficient area provided between the partitions forsecuring a proper draft and carrying ofi the products of combustion. Bythis arrangement, also,

the greatest possible area of the sides of the stove is provided betweenthe partitions, so as to afiord the most radiating surface at this partof the stove with consequent beneficial results.

The convex sides of the partitions 1 and 2, being near each other, alsopartially divide the space between them at the center so as to deflectthe downward currents of the prod ucts of combustion toward and againstthe sides of the stove and still further increase the radiating andheating capacity of the stove.

The grate B is mounted a short distance above the bottom of the stovebetween partition 1 and the front of said stove. It may be pivoted ongudgeons b and t as shown if preferred, the gudgeon being squared uponits outer end to permit the application of a crank for the purpose ofshaking or tilting said grate to deposit the ashes in the ash-boxbeneath. A rib or flange 6 may also be provided around under one side ofsaid grate to support it the pivots being preferably located a little toone side of the center so that said grate will rest firmly on saidflange. The fire-box proper may be provided with a lining A as shown ifpreferred, the same being any suitable material to protect the iron ofwhich the stove body is composed from undue action of the heat. The ashpit beneath the grate B is provided with a door a and said door with anordinary form of damper to regulate the draft, as shown.

While the stove is primarily designed for the use of wood as a fuel,other fuel may, of course, be used if more convenient and preferred. Byreason of having the grate B mounted above the ash compartment an saidcompartment provided with the door a with the damper as shown, the draftmay be regulated as desired, and as said draft comes directly beneaththe fuel instead of by the end of the fuel, as in most wood heaters, amore perfect combustion of said fuel is secured with the consequentimproved results. The partitions 1 and 2 serve also as deflectors toprevent a direct passage of the products of combustion from the fire-boxto the flue, said products being compelled to pass over the top ofpartition 1, then down be tween partitions 1 and 2 and then up throughthe compartment behind partition 2, from which they escape into saidflue. A great deal of the heat which with the common form of stovepasses up the flue and is dos wasted is thus held in the heater until ithas an opportunity to radiate into the room, and is thus saved insteadof being wasted, and the full value of the fuel thus utilized.

In some cases, as when wood fuel is used, a grate of the form showninFig. 4 may be preferred, wherein the rear portion thereof is solid andthe front open, thus requiring all the draft to pass through the frontend of said grate. Other obvious modifications in the manner of mountingthe grate, and in the details of construction may be made withoutdeparting from my invention, as will be readily understood.

I am aware that heating drums have been provided which have beeninterposed in the lines leading from stoves, but I am not aware that anystove has been made which in itself has been divided by verticaltransverse partitions of the kind and the arrangement herein shown anddescribed for the purpose of making said stove in itself of greaterheating capacity.

Having thus fully described my said invention, what I claim as new anddesire to secure by Letters Patent, is

1. A stove comprising a body oblong in cross-section with by verticalpartitions extending from side to side of the stove and curved incross-section around a vertical axis with their convex sides adjacent.to each other, the front partition extending from the bottom of thestove nearly to its top and the rear partition extending from the top ofthe stove nearly to its bottom with the space between said partitions, afire box separate from said partirounded ends and divided tions arrangedbetween. the front partition and the front of the stove with the gratethereof above the bottom of said stove, the top of said stove formedwith an opening communicating with said fire box and provided with acover, and a door in the front of said stove beneath the grate of saidfire box, said top of the stove being also provided with an aperturebehind the rear partition for the escape of the products of combustion,all substantially as set forth.

2,. A stove comprising a suitable body having an aperture at the frontof its top for the introduction of the fuel, a cover therefor, saidstove also having an outlet for the products of combustion at its rear,a curved artition extending from the bottom of t e stove nearly to itstop, another curved partition extending from the top of the stove nearlyto its bottom, said partitions being each curved around a vertical axisand arranged with their convex sides adjacent and both dividing saidstove transversely, a fire-box in front of said first partition, a grateat the bottom of said fire-box and a short distance above the bottom ofthe stove, and a door leading into the space beneath said grate providedwith a damper, substantially as set forth.

In witness whereof, I, have hereunto set my hand and seal at Richmond,Virginia, this 28th day of January, A. D. nineteen hundred and five.

WILLIAM HORACE HEFNER.

Witnesses:

- OLLIE V. BOSWELL.

FRANK L. KERNs.

